Capture Attention Where It Already Exists

Turn viral content into your distribution channel with high-performing comments that drive real reach

Get started Explore features

Smart content discovery

Find the best content for your audience.

Context-aware comments

Comments match tone, language, and conversation style.

Draft & approval flow

Every comment is reviewable, editable, and regeneratable before posting.

Visibility tracking

Monitor reach, engagement, and comment positioning over time.

STOP POSTING. START SHOWING UP.

Growth Doesn’t Come From Posting More

It comes from being seen in the right places—where attention already exists and conversations are already happening.

Be present where it matters

Maintain consistent visibility

Build momentum over time

Built For Real Visibility Across High-Attention Environments

AI-Powered Comment Generation.

Generate multiple comment variations tailored to each video’s tone, language, and audience.

Integrated Video Search.

Search and identify the right content in your niche without switching tools or guessing.

Natural posting patterns.

Comments deployed gradually to reflect real user behavior.

Full control.

You can edit, delete, and regenerate comments as you see fit.

Visibility Boost.

Your best comments are automatically pushed higher.

Trusted by product builders and marketers

Mainline is built on the habits that make the best product teams successful: staying focused, moving quickly, and always aiming for high-quality work.

Our reach increased without increasing effort. It just runs in the background.

Senadin Terovic, Founder

Famester

It feels like someone is doing the outreach for us, 24/7.

Asim Aganovic, Marketing Manager

WinnerZilla

It doesn’t feel like marketing, but the results are there.

Resid Alic, Founder

Mindbloomery

Pricing

Use Mainline for free with your whole team. Upgrade to enable unlimited issues, enhanced security controls, and additional features.

Free

Free for everyone

Unlimited members

2 teams

500 issues

Slack and Github integrations

Startup

$6 per user/year

Billed annually

All free plan features and...

Mainline AI

Unlimited teams

Unlimited issues and file uploads

Mainline Insights

Admin roles

Enterprise

$6 per user/year

Billed annually

All free plan features and...

Mainline AI

Supermainline AGI

Free daily catered lunch

random HIPPA audits

Got Questions?

If you can't find what you're looking for, get in touch.

Product/How it works

You define your niche, and the system helps you find relevant videos, generate comments, and place them naturally inside active conversations.

No. You can use built-in search to quickly find relevant content, and the system helps you identify where your audience is already active.

Currently, only YouTube is supported. We're working on expanding to other platforms soon.

Control and safety

Yes. Every comment is created in draft first. You can edit, approve, delete, or regenerate anything before it goes live.

No. Comments are designed to blend in with real conversations, and posting is spaced out to reflect natural user behavior.

Yes. Activity is structured to reflect natural user behavior, including timing and variation, to avoid spam patterns.

Results/Getting started

Yes. Instead of relying only on your own content, your brand appears inside conversations that already have attention, increasing visibility and engagement.

Results vary by niche, but most users see increased visibility and engagement shortly after starting, especially on active videos.

Very little. Most of the process runs in the background, with optional review and adjustments when needed.

Yes. You can start with a trial and see how it performs before scaling.